package net.minecraft.block;

import java.util.List;
import java.util.Random;
import net.minecraft.block.material.MapColor;
import net.minecraft.block.material.Material;
import net.minecraft.block.properties.IProperty;
import net.minecraft.block.properties.PropertyBool;
import net.minecraft.block.properties.PropertyDirection;
import net.minecraft.block.state.BlockState;
import net.minecraft.block.state.IBlockState;
import net.minecraft.entity.Entity;
import net.minecraft.entity.EntityLivingBase;
import net.minecraft.item.Item;
import net.minecraft.util.AxisAlignedBB;
import net.minecraft.util.BlockPos;
import net.minecraft.util.EnumFacing;
import net.minecraft.world.World;

public class BlockEndPortalFrame extends Block {
	public static final PropertyDirection FACING = PropertyDirection.create("facing", EnumFacing.Plane.HORIZONTAL);
	public static final PropertyBool EYE = PropertyBool.create("eye");

	public BlockEndPortalFrame() {
		super(Material.rock, MapColor.greenColor);
		this.setDefaultState(this.blockState.getBaseState().withProperty(FACING, EnumFacing.NORTH).withProperty(EYE,
				Boolean.valueOf(false)));
	}

	/**
	 * Used to determine ambient occlusion and culling when rebuilding chunks for
	 * render
	 */
	public boolean isOpaqueCube() {
		return false;
	}

	/**
	 * Sets the block's bounds for rendering it as an item
	 */
	public void setBlockBoundsForItemRender() {
		this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.8125F, 1.0F);
	}

	/**
	 * Add all collision boxes of this Block to the list that intersect with the
	 * given mask.
	 */
	public void addCollisionBoxesToList(World worldIn, BlockPos pos, IBlockState state, AxisAlignedBB mask,
			List<AxisAlignedBB> list, Entity collidingEntity) {
		this.setBlockBounds(0.0F, 0.0F, 0.0F, 1.0F, 0.8125F, 1.0F);
		super.addCollisionBoxesToList(worldIn, pos, state, mask, list, collidingEntity);

		if (((Boolean) worldIn.getBlockState(pos).getValue(EYE)).booleanValue()) {
			this.setBlockBounds(0.3125F, 0.8125F, 0.3125F, 0.6875F, 1.0F, 0.6875F);
			super.addCollisionBoxesToList(worldIn, pos, state, mask, list, collidingEntity);
		}

		this.setBlockBoundsForItemRender();
	}

	/**
	 * Get the Item that this Block should drop when harvested.
	 */
	public Item getItemDropped(IBlockState state, Random rand, int fortune) {
		return null;
	}

	/**
	 * Called by ItemBlocks just before a block is actually set in the world, to
	 * allow for adjustments to the IBlockstate
	 */
	public IBlockState onBlockPlaced(World worldIn, BlockPos pos, EnumFacing facing, float hitX, float hitY, float hitZ,
			int meta, EntityLivingBase placer) {
		return this.getDefaultState().withProperty(FACING, placer.getHorizontalFacing().getOpposite()).withProperty(EYE,
				Boolean.valueOf(false));
	}

	public boolean hasComparatorInputOverride() {
		return true;
	}

	public int getComparatorInputOverride(World worldIn, BlockPos pos) {
		return ((Boolean) worldIn.getBlockState(pos).getValue(EYE)).booleanValue() ? 15 : 0;
	}

	/**
	 * Convert the given metadata into a BlockState for this Block
	 */
	public IBlockState getStateFromMeta(int meta) {
		return this.getDefaultState().withProperty(EYE, Boolean.valueOf((meta & 4) != 0)).withProperty(FACING,
				EnumFacing.getHorizontal(meta & 3));
	}

	/**
	 * Convert the BlockState into the correct metadata value
	 */
	public int getMetaFromState(IBlockState state) {
		int i = 0;
		i = i | ((EnumFacing) state.getValue(FACING)).getHorizontalIndex();

		if (((Boolean) state.getValue(EYE)).booleanValue()) {
			i |= 4;
		}

		return i;
	}

	protected BlockState createBlockState() {
		return new BlockState(this, new IProperty[] { FACING, EYE });
	}
}
